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authorChristoph Hellwig <hch@lst.de>2020-09-11 11:29:47 +0300
committerChristoph Hellwig <hch@lst.de>2020-10-06 08:07:03 +0300
commit8df4051232152a0520ab3035c2d96f33083c2d6a (patch)
treeb8e9e290d408d3d118ff9753ccd26d68371b1f5f /include/linux/dma-contiguous.h
parent0a0f0d8be76dcd4390ff538e7060fda34db79717 (diff)
downloadlinux-8df4051232152a0520ab3035c2d96f33083c2d6a.tar.xz
dma-contiguous: remove dma_declare_contiguous
dma_declare_contiguous is a trivial wrapper around dma_contiguous_reserve_area and just has a single caller. Signed-off-by: Christoph Hellwig <hch@lst.de>
Diffstat (limited to 'include/linux/dma-contiguous.h')
-rw-r--r--include/linux/dma-contiguous.h32
1 files changed, 0 insertions, 32 deletions
diff --git a/include/linux/dma-contiguous.h b/include/linux/dma-contiguous.h
index fe55e004f1f4..62fd55d07235 100644
--- a/include/linux/dma-contiguous.h
+++ b/include/linux/dma-contiguous.h
@@ -83,31 +83,6 @@ int __init dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base,
phys_addr_t limit, struct cma **res_cma,
bool fixed);
-/**
- * dma_declare_contiguous() - reserve area for contiguous memory handling
- * for particular device
- * @dev: Pointer to device structure.
- * @size: Size of the reserved memory.
- * @base: Start address of the reserved memory (optional, 0 for any).
- * @limit: End address of the reserved memory (optional, 0 for any).
- *
- * This function reserves memory for specified device. It should be
- * called by board specific code when early allocator (memblock or bootmem)
- * is still activate.
- */
-
-static inline int dma_declare_contiguous(struct device *dev, phys_addr_t size,
- phys_addr_t base, phys_addr_t limit)
-{
- struct cma *cma;
- int ret;
- ret = dma_contiguous_reserve_area(size, base, limit, &cma, true);
- if (ret == 0)
- dev_set_cma_area(dev, cma);
-
- return ret;
-}
-
struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
unsigned int order, bool no_warn);
bool dma_release_from_contiguous(struct device *dev, struct page *pages,
@@ -136,13 +111,6 @@ static inline int dma_contiguous_reserve_area(phys_addr_t size, phys_addr_t base
}
static inline
-int dma_declare_contiguous(struct device *dev, phys_addr_t size,
- phys_addr_t base, phys_addr_t limit)
-{
- return -ENOSYS;
-}
-
-static inline
struct page *dma_alloc_from_contiguous(struct device *dev, size_t count,
unsigned int order, bool no_warn)
{